(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/20/2026 3:51 PM America/Puerto_Rico.
Valid through 9/21/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 201951
cwfsju
expires:202609210815;;780389
coastal waters forecast
national weather service san juan pr
351 pm ast sun sep 20 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz712-210815-
coastal waters of northern puerto rico out 10 nm-
351 pm ast sun sep 20 2026
.tonight...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: east 2 feet at 4 seconds and northeast 2 feet at 8 seconds.
scattered showers. isolated thunderstorms early this evening.
isolated thunderstorms late.
.monday...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. seas 2 to 3 feet. wave
detail: northeast 3 feet at 8 seconds and east 2 feet at 4 seconds.
scattered showers in the afternoon.
.monday night...southeast winds 5 to 10 knots. seas 2 to 3 feet.
wave detail: east 2 feet at 4 seconds and northeast 2 feet at
8 seconds. numerous showers in the evening.
.tuesday...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. seas 2 to 3 feet. wave
detail: east 3 feet at 4 seconds and northeast 2 feet at 8 seconds.
scattered showers.
.tuesday night...east winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. seas 2 to
3 feet. wave detail: east 3 feet at 5 seconds and northeast 1 foot
at 8 seconds. scattered showers after midnight.
.wednesday...east winds 10 to 15 knots with gusts up to 25 knots.
seas around 3 feet. wave detail: east 2 feet at 5 seconds and
northeast 1 foot at 8 seconds.
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots, becoming southeast 5 to 10 knots after midnight. seas 3 to
4 feet, occasionally to 5 feet.
.thursday...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers in the afternoon.
.thursday night...east winds 10 to 15 knots, becoming southeast 5 to
10 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
.friday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. seas 3 to 4 feet, occasionally to 5 feet. scattered
showers.
.friday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
winds and seas higher in and near thunderstorms.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/20/2026 3:51 PM America/Puerto_Rico.
Valid through 9/21/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 201951
cwfsju
expires:202609210815;;780394
coastal waters forecast
national weather service san juan pr
351 pm ast sun sep 20 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz735-210815-
coastal waters of southern puerto rico out 10 nm-
351 pm ast sun sep 20 2026
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds. isolated showers.
.monday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas around
2 feet. wave detail: east 2 feet at 6 seconds.
.monday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 2 feet at 6 seconds. scattered showers in the
evening, then numerous showers after midnight.
.tuesday...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 3 feet. wave detail: southeast 3 feet at 6 seconds. scattered
showers in the morning.
.tuesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 3 feet. wave detail: southeast 3 feet at
6 seconds. scattered showers.
.wednesday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: southeast 3 feet at 6 seconds.
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. seas 2 to
3 feet.
.thursday...east winds 10 to 15 knots. seas 2 to 3 feet. scattered
showers in the morning.
.thursday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet. scattered showers.
.friday...east winds 10 to 15 knots. seas 2 to 3 feet. scattered
showers.
.friday night...east winds 10 to 15 knots. seas 2 to 3 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/20/2026 3:51 PM America/Puerto_Rico.
Valid through 9/21/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 201951
cwfsju
expires:202609210815;;780395
coastal waters forecast
national weather service san juan pr
351 pm ast sun sep 20 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz741-210815-
mona passage southward to 17n-
351 pm ast sun sep 20 2026
.tonight...east winds around 10 knots. seas 2 to 3 feet. wave
detail: southeast 2 feet at 5 seconds and northeast 2 feet at
8 seconds. scattered showers with isolated thunderstorms this
evening. isolated showers after midnight.
.monday...southeast winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: southeast 3 feet at 5 seconds and
northeast 2 feet at 7 seconds. scattered showers in the morning.
.monday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas around 3 feet. wave detail: southeast 3 feet at 6 seconds and
northeast 1 foot at 8 seconds. scattered showers.
.tuesday...east winds 10 to 15 knots with gusts up to 20 knots. seas
around 3 feet. wave detail: southeast 3 feet at 6 seconds and
northeast 1 foot at 8 seconds. scattered showers in the morning.
.tuesday night...east winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. seas around
3 feet. wave detail: southeast 3 feet at 6 seconds and northeast
1 foot at 8 seconds. scattered showers.
.wednesday...east winds 10 to 15 knots with gusts up to 20 knots.
seas around 3 feet. wave detail: east 3 feet at 7 seconds.
.wednesday night...east winds 10 to 15 knots. seas around 3 feet.
.thursday...southeast winds 10 to 15 knots. seas around 3 feet.
scattered showers.
.thursday night...east winds 10 to 15 knots. seas around 3 feet.
scattered showers.
.friday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. seas around 3 feet. scattered showers in the morning.
.friday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers.
winds and seas higher in and near thunderstorms.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/20/2026 3:51 PM America/Puerto_Rico.
Valid through 9/21/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 201951
cwfsju
expires:202609210815;;780396
coastal waters forecast
national weather service san juan pr
351 pm ast sun sep 20 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz742-210815-
coastal waters of northwestern puerto rico out 10 nm-
351 pm ast sun sep 20 2026
.tonight...east winds around 5 knots, becoming southeast after
midnight. seas 2 to 3 feet. wave detail: north 2 feet at 8 seconds
and south 1 foot at 5 seconds. numerous showers with isolated
thunderstorms this evening, then isolated showers after midnight.
.monday...east winds around 5 knots. seas around 2 feet. wave
detail: northeast 2 feet at 7 seconds and south 1 foot at 4 seconds.
numerous showers in the afternoon.
.monday night...east winds around 5 knots. seas around 2 feet. wave
detail: northeast 2 feet at 7 seconds and south 1 foot at 4 seconds.
numerous showers in the evening.
.tuesday...east winds around 5 knots. seas around 2 feet. wave
detail: northeast 2 feet at 7 seconds and south 1 foot at 6 seconds.
numerous showers in the afternoon.
.tuesday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: south 2 feet at 6 seconds and northeast 2 feet at 7 seconds.
scattered showers in the evening.
.wednesday...east winds 5 to 10 knots, becoming northeast in the
afternoon. seas around 2 feet. wave detail: south 2 feet at
6 seconds and northeast 2 feet at 7 seconds. scattered showers in
the afternoon.
.wednesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.thursday...east winds around 5 knots. seas 2 to 3 feet. numerous
showers in the afternoon.
.thursday night...east winds around 5 knots. seas 2 to 3 feet.
.friday...east winds around 5 knots, increasing to 5 to 10 knots in
the afternoon. seas 2 to 3 feet. numerous showers in the afternoon.
.friday night...east winds around 5 knots. seas 2 to 3 feet.
scattered showers.
winds and seas higher in and near thunderstorms.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/20/2026 3:51 PM America/Puerto_Rico.
Valid through 9/21/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 201951
cwfsju
expires:202609210815;;780397
coastal waters forecast
national weather service san juan pr
351 pm ast sun sep 20 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz745-210815-
coastal waters of southwestern puerto rico out 10 nm-
351 pm ast sun sep 20 2026
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds and north 1 foot at 7 seconds.
scattered showers with isolated thunderstorms early this evening,
then isolated showers late this evening.
.monday...southeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots in the afternoon. seas around
2 feet. wave detail: southeast 2 feet at 5 seconds and north 1 foot
at 7 seconds.
.monday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds and north 1 foot at 7 seconds.
.tuesday...southeast winds 10 to 15 knots with gusts up to 20 knots.
seas around 2 feet. wave detail: southeast 2 feet at 6 seconds.
numerous showers in the afternoon.
.tuesday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds. scattered showers in the
evening.
.wednesday...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 2 feet at 6 seconds.
.wednesday night...east winds 5 to 10 knots. seas around 2 feet.
.thursday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas around 2 feet. scattered showers in
the afternoon.
.thursday night...east winds 5 to 10 knots. seas around 2 feet.
.friday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas around 2 feet. scattered showers in
the afternoon.
.friday night...east winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers.
winds and seas higher in and near thunderstorms.
$$
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